10 cards where the cards are dual lands that require two or more opponents

Bountiful Promenade (Commander Legends: Battle for Baldur's Gate #348)
Luxury Suite (Commander Legends: Battle for Baldur's Gate #355)
Morphic Pool (Commander Legends: Battle for Baldur's Gate #357)
Rejuvenating Springs (Commander Masters #424)
Sea of Clouds (Commander Legends: Battle for Baldur's Gate #360)
Spectator Seating (Commander Masters #427)
Spire Garden (Commander Legends: Battle for Baldur's Gate #361)
Training Center (Commander Masters #434)
Undergrowth Stadium (Commander Masters #435)
Vault of Champions (Commander Masters #436)

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